1140223204231 has 4 divisors (see below), whose sum is σ = 1140236927352. Its totient is φ = 1140209481112.

The previous prime is 1140223204223. The next prime is 1140223204279. The reversal of 1140223204231 is 1324023220411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140223204231 - 2³ = 1140223204223 is a prime.

It is a super-2 number, since 2×1140223204231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140223204196 and 1140223204205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140223204201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6736165 + ... + 6903358.

It is an arithmetic number, because the mean of its divisors is an integer number (285059231838).

Almost surely, 2^{1140223204231} is an apocalyptic number.

1140223204231 is a deficient number, since it is larger than the sum of its proper divisors (13723121).

1140223204231 is an equidigital number, since it uses as much as digits as its factorization.

1140223204231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13723120.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1140223204231 its reverse (1324023220411), we get a palindrome (2464246424642).

The spelling of 1140223204231 in words is "one trillion, one hundred forty billion, two hundred twenty-three million, two hundred four thousand, two hundred thirty-one".